CN104779104B - A kind of crowbar switch - Google Patents
A kind of crowbar switch Download PDFInfo
- Publication number
- CN104779104B CN104779104B CN201510231376.8A CN201510231376A CN104779104B CN 104779104 B CN104779104 B CN 104779104B CN 201510231376 A CN201510231376 A CN 201510231376A CN 104779104 B CN104779104 B CN 104779104B
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- CN
- China
- Prior art keywords
- switch
- static contact
- contact
- housing
- storehouse
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
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- Elimination Of Static Electricity (AREA)
Abstract
A kind of crowbar switch, comprising the first switch wiring path being arranged in first switch storehouse and wiring bin, and it is arranged on the second switch wiring path in second switch storehouse and wiring bin, moving contact piece and wire in first switch wiring path and second switch wiring path all comprising upper static contact, lower static contact, connection upper static contact and lower static contact connect the outlet joint of lower static contact, also comprising the choking-winding being arranged between connection lower static contact and outlet joint in second switch wiring path.When crowbar switch is connected, second switch wiring path is first connected, then connect first switch wiring path, when crowbar switch is disconnected, first disconnect first switch wiring path, then disconnect second switch wiring path.The present invention can effectively contain the generation of electric arc, improve reliability, extend service life.
Description
Technical field
The present invention relates to a kind of crowbar switch.
Background technology
With the continuous social and economic development with the continuous improvement of enterprise's level of production, demand of the entire society to electric power
Increasing, crowbar switch is conventional power supply unit, and its major function is the break-make for controlling power network line, due to crowbar switch
It is operated in the state of high current, therefore electric arc can be produced when crowbar switch break-make；Because current crowbar switch is big
Many are provided with flame-retardant layer and the device for not setting control electric current, and larger electric current can be produced in crowbar switch break-make,
So as to larger electric arc can be produced, and then burning out for crowbar switch is easily caused, or even potential safety hazard can be caused.
The content of the invention
The present invention provides a kind of crowbar switch, can effectively contain the generation of electric arc, improves reliability, extends and uses
Life-span.
In order to achieve the above object, the present invention provides a kind of crowbar switch, comprising the first switch for being arranged on enclosure interior
Storehouse, second switch storehouse and the wiring bin adjacent with first switch storehouse and second switch storehouse, also comprising being arranged on first switch storehouse
Lead to the first switch wiring path in wiring bin, and the second switch wiring being arranged in second switch storehouse and wiring bin
Road；
Described first switch wiring path is included：
Insertion is arranged on some first upper static contacts in the housing on described first switch storehouse, stationary contact on described first
One end of head is located at hull outside, and the other end is located inside first switch storehouse；
Insertion is arranged on some first lower static contacts in the housing between described first switch storehouse and wiring bin, described
One end of first lower static contact is located inside first switch storehouse, and the other end is located inside wiring bin；
The first contact module in described first switch storehouse is arranged on, the first contact module is rotatable, this first connects
Touch block can be at the state for being contacted with the first upper static contact and the first lower static contact respectively, or on respectively with first it is quiet
Contact and the discontiguous state of the first lower static contact；
Insertion is arranged on some outlet joints in the housing on described wiring bin, and one end of the outlet joint is located at
Hull outside, the other end is located at the inside of wiring bin；
Described second switch wiring path is included：
Insertion is arranged on some second upper static contacts in the housing on described second switch storehouse, stationary contact on described second
One end of head is located at hull outside, and the other end is located inside second switch storehouse；
Insertion is arranged on some second lower static contacts in the housing between described second switch storehouse and wiring bin, described
One end of second lower static contact is located inside second switch storehouse, and the other end is located inside wiring bin；
The second contact module in described second switch storehouse is arranged on, the second contact module is rotatable, this second connects
Touch block can be at the state for being contacted with the second upper static contact and the second lower static contact respectively, or on respectively with second it is quiet
Contact and the discontiguous state of the second lower static contact；
Insertion is arranged on some outlet joints in the housing on described wiring bin, and one end of the outlet joint is located at
Hull outside, the other end is located at the inside of wiring bin；
Some choking-windings, it is arranged on the wire of connection outlet joint and the second lower static contact.
The first described lower static contact is consistent with the quantity of the first described upper static contact, and position is correspondingly arranged.
Described outlet joint is consistent with the quantity of the first described lower static contact, and by wire and the first lower static contact
Connection.
The first described contact module is included：
First insulating sleeve, the housing of one end of first insulating sleeve on first switch storehouse, and be fixedly connected and set
Put the first rotating disk in hull outside；
Through some first moving contact pieces being arranged on the first insulating sleeve, the two ends of the first described moving contact piece are divided
The first upper static contact and the first lower static contact can not touched；
The some first insulation back-up rings on the first insulating sleeve are arranged on, the first described insulation back-up ring is arranged on adjacent
Between first moving contact piece, and extend between the first adjacent upper static contact and the first adjacent lower static contact between；
The first described moving contact piece is consistent with the quantity of the first described upper static contact and the first lower static contact, and position
It is correspondingly arranged.
The second described lower static contact is consistent with the quantity of the second described upper static contact, and position is correspondingly arranged.
Described outlet joint is consistent with the quantity of the second described lower static contact, and by wire and the second lower static contact
Connection.
The second described contact module is included：
Second insulating sleeve, the housing of one end of second insulating sleeve on second switch storehouse, and be fixedly connected and set
Put the second rotating disk in hull outside；
Through some second moving contact pieces being arranged on the second insulating sleeve, the two ends of the second described moving contact piece are divided
The second upper static contact and the second lower static contact can not touched；
The some second insulation back-up rings on the second insulating sleeve are arranged on, the second described insulation back-up ring is arranged on adjacent
Between second moving contact piece, and extend between the second adjacent upper static contact and the second adjacent lower static contact between；
The second described moving contact piece is consistent with the quantity of the second described upper static contact and the second lower static contact, and position
It is correspondingly arranged.
The present invention can effectively contain the generation of electric arc, improve reliability, extend service life.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Specific embodiment
Presently preferred embodiments of the present invention is illustrated below according to Fig. 1.
As shown in figure 1, the present invention provides a kind of crowbar switch, comprising the first switch storehouse 2 being arranged on inside housing 1, the
Two switch storehouse 3 and wiring bins 4, described first switch storehouse 2 is adjacent with wiring bin 4, described second switch storehouse 3 and wiring bin 4
It is adjacent.
Described crowbar switch also includes the first switch wiring path being arranged in first switch storehouse 2 and wiring bin 4, with
And it is arranged on the second switch wiring path in second switch storehouse 3 and wiring bin 4.
Described first switch wiring path is included：
Insertion is arranged on some first upper static contacts 5 in the housing 1 on described first switch storehouse 2, on described first
One end of static contact 5 is located at outside housing 1, and the other end is located inside first switch storehouse 2；
Insertion is arranged on some first lower static contacts 6 in the housing 1 between described first switch storehouse 2 and wiring bin 4,
One end of first lower static contact 6 is located inside first switch storehouse 2, and the other end is located inside wiring bin 4；Under described first
Static contact 6 is consistent with the quantity of the first described upper static contact 5, and position is correspondingly arranged；
The first contact module in described first switch storehouse 2 is arranged on, the first contact module is rotatable, this first connects
Touch block can be at the state for being contacted with the first upper static contact 5 and the first lower static contact 6 respectively, or on respectively with first
The discontiguous state of 5 and first lower static contact of static contact 6；
Insertion is arranged on some outlet joints 17 in the housing 1 on described wiring bin 4, the one of the outlet joint 17
End is located at outside housing 1, and the other end is located at the inside of wiring bin 4；Described outlet joint 17 and the first described lower static contact 6
Quantity it is consistent, and be connected with the first lower static contact 6 by wire.
The first described contact module is included：
First insulating sleeve 9, the housing 1 of one end of first insulating sleeve 9 on first switch storehouse 2, and fixed connect
Connect the first rotating disk 10 being arranged on outside housing 1；
Through some first moving contact pieces 11 being arranged on the first insulating sleeve 9, described the first moving contact piece 11
Two ends can touch the first upper static contact 5 and the first lower static contact 6 respectively；The first described moving contact piece 11 and described
One upper static contact 5 is consistent with the quantity of the first lower static contact 6, and position is correspondingly arranged；
The some first insulation back-up rings 12 on the first insulating sleeve 9 are arranged on, the first described insulation back-up ring 12 is arranged on
Between the first adjacent moving contact piece 11, and extend between the first adjacent upper static contact 5 and the first adjacent lower static contact 6
Between；The first described insulation back-up ring 12 and the first described insulating sleeve 9 are integrally formed.
Described second switch wiring path is included：
Insertion is arranged on some second upper static contacts 7 in the housing 1 on described second switch storehouse 3, on described second
One end of static contact 7 is located at outside housing 1, and the other end is located inside second switch storehouse 3；
Insertion is arranged on some second lower static contacts 8 in the housing 1 between described second switch storehouse 3 and wiring bin 4,
One end of second lower static contact 8 is located inside second switch storehouse 3, and the other end is located inside wiring bin 4；Under described second
Static contact 8 is consistent with the quantity of the second described upper static contact 7, and position is correspondingly arranged；
The second contact module in described second switch storehouse 3 is arranged on, the second contact module is rotatable, this second connects
Touch block can be at the state for being contacted with the second upper static contact 7 and the second lower static contact 8 respectively, or on respectively with second
The discontiguous state of 7 and second lower static contact of static contact 8；
Insertion is arranged on some outlet joints 17 in the housing 1 on described wiring bin 4, the one of the outlet joint 17
End is located at outside housing 1, and the other end is located at the inside of wiring bin 4；Described outlet joint 17 and the second described lower static contact 8
Quantity it is consistent, and be connected with the second lower static contact 8 by wire；
Some choking-windings 19, it is arranged on the wire of the connection lower static contact 8 of outlet joint 17 and second.
The second described contact module is included：
Second insulating sleeve 13, the housing 1 of one end of second insulating sleeve 13 on second switch storehouse 3, and it is fixed
Second rotating disk 14 of the connect setting outside housing 1；
Through some second moving contact pieces 15 being arranged on the second insulating sleeve 13, described the second moving contact piece 15
Two ends can touch the second upper static contact 7 and the second lower static contact 8 respectively；The second described moving contact piece 15 and described
Two upper static contacts 7 are consistent with the quantity of the second lower static contact 8, and position is correspondingly arranged；
The some second insulation back-up rings 16 on the second insulating sleeve 13 are arranged on, the second described insulation back-up ring 16 is arranged on
Between the second adjacent moving contact piece 15, and extend between the second adjacent upper static contact 7 and the second adjacent lower static contact 8
Between；The second described insulation back-up ring 16 and the second described insulating sleeve 13 are integrally formed.
When the present invention is installed, inlet wire is connected to stationary contact on the first upper static contact 5 and second simultaneously according to identical phase sequence
On first 7, outlet is connected on outlet joint 17；When the present invention is connected, the second rotating disk 14 is rotated first, make the second moving contact piece
15 contact the second upper static contact 7 and the second lower static contacts 8, due on the wire between the second lower static contact 8 and outlet joint 17
Choking-winding 19 is provided with, therefore when the second moving contact piece 15 and the second upper static contact 7 and the second lower static contact 8 are connected, energy
The generation of enough effectively containment electric arc, after the second moving contact piece 15 and the second upper static contact 7 and the second lower static contact 8 are connected, then
The first rotating disk 10 is rotated, the first moving contact piece 11 is contacted the first upper static contact 5 and the first lower static contact 6, so as to come short-circuit the
Two upper static contacts 7, the second moving contact piece 15, the second lower static contact 8 and choking-winding 19, and realize supplying the reliability of circuit
Electricity；When the present invention is disconnected, the first rotating disk 10 is rotated first so that the first upper static contact 5 and the first lower static contact 6 disconnect, then
The second rotating disk 14 is rotated further by so that the second upper static contact 7 and the second lower static contact 8 disconnect, in the presence of choking-winding 19, energy
Enough it is prevented effectively from the generation of electric arc.
The present invention can effectively contain the generation of electric arc, improve reliability, extend service life.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for of the invention
Various modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a kind of crowbar switch, it is characterised in that comprising being arranged on housing（1）Internal first switch storehouse（2）, second switch storehouse
（3）And with first switch storehouse（2）With second switch storehouse（3）Adjacent wiring bin（4）, also comprising being arranged on first switch storehouse
（2）And wiring bin（4）In first switch wiring path, and be arranged on second switch storehouse（3）And wiring bin（4）In second
Switch wire connection path；
Described first switch wiring path is included：
Insertion is arranged on described first switch storehouse（2）On housing（1）In some first upper static contacts（5）, described first
Upper static contact（5）One end be located at housing（1）Outside, the other end is located at first switch storehouse（2）It is internal；
Insertion is arranged on described first switch storehouse（2）With wiring bin（4）Between housing（1）In some first lower static contacts
（6）, first lower static contact（6）One end be located at first switch storehouse（2）Inside, the other end is located at wiring bin（4）It is internal；
It is arranged on described first switch storehouse（2）In the first contact module, the first contact module is rotatable, first contact
Module can be at respectively with the first upper static contact（5）With the first lower static contact（6）The state of contact, or in respectively with first
Upper static contact（5）With the first lower static contact（6）Discontiguous state；
Insertion is arranged on described wiring bin（4）On housing（1）In some outlet joints（17）, the outlet joint（17）
One end be located at housing（1）Outside, the other end is located at wiring bin（4）Inside；
Described second switch wiring path is included：
Insertion is arranged on described second switch storehouse（3）On housing（1）In some second upper static contacts（7）, described second
Upper static contact（7）One end be located at housing（1）Outside, the other end is located at second switch storehouse（3）It is internal；
Insertion is arranged on described second switch storehouse（3）With wiring bin（4）Between housing（1）In some second lower static contacts
（8）, second lower static contact（8）One end be located at second switch storehouse（3）Inside, the other end is located at wiring bin（4）It is internal；
It is arranged on described second switch storehouse（3）In the second contact module, the second contact module is rotatable, second contact
Module can be at respectively with the second upper static contact（7）With the second lower static contact（8）The state of contact, or in respectively with second
Upper static contact（7）With the second lower static contact（8）Discontiguous state；
Insertion is arranged on described wiring bin（4）On housing（1）In some outlet joints（17）, the outlet joint（17）
One end be located at housing（1）Outside, the other end is located at wiring bin（4）Inside；
Some choking-windings（19）, it is arranged on connection outlet joint（17）With the second lower static contact（8）Wire on.
2. crowbar switch as claimed in claim 1, it is characterised in that the first described lower static contact（6）With described first
Upper static contact（5）Quantity it is consistent, and position is correspondingly arranged.
3. crowbar switch as claimed in claim 1, it is characterised in that described outlet joint（17）With described first under it is quiet
Contact（6）Quantity it is consistent, and by wire and the first lower static contact（6）Connection.
4. crowbar switch as claimed in claim 1, it is characterised in that the first described contact module is included：
First insulating sleeve（9）, first insulating sleeve（9）One end run through first switch storehouse（2）On housing（1）, and it is solid
Connect setting is determined in housing（1）The first outside rotating disk（10）；
Through being arranged on the first insulating sleeve（9）On some first moving contact pieces（11）, described the first moving contact piece（11）
Two ends can touch the first upper static contact respectively（5）With the first lower static contact（6）；
It is arranged on the first insulating sleeve（9）On it is some first insulation back-up rings（12）, described first insulation back-up ring（12）Set
In the first adjacent moving contact piece（11）Between, and extend to the first adjacent upper static contact（5）Between and adjacent first under
Static contact（6）Between.
5. crowbar switch as claimed in claim 4, it is characterised in that the first described moving contact piece（11）With described first
Upper static contact（5）With the first lower static contact（6）Quantity it is consistent, and position is correspondingly arranged.
6. crowbar switch as claimed in claim 1, it is characterised in that the second described lower static contact（8）With described second
Upper static contact（7）Quantity it is consistent, and position is correspondingly arranged.
7. crowbar switch as claimed in claim 1, it is characterised in that described outlet joint（17）With described second under it is quiet
Contact（8）Quantity it is consistent, and by wire and the second lower static contact（8）Connection.
8. crowbar switch as claimed in claim 1, it is characterised in that the second described contact module is included：
Second insulating sleeve（13）, second insulating sleeve（13）One end run through second switch storehouse（3）On housing（1）, and
It is fixedly connected and is arranged on housing（1）The second outside rotating disk（14）；
Through being arranged on the second insulating sleeve（13）On some second moving contact pieces（15）, described the second moving contact piece（15）
Two ends can touch the second upper static contact respectively（7）With the second lower static contact（8）；
It is arranged on the second insulating sleeve（13）On it is some second insulation back-up rings（16）, described second insulation back-up ring（16）Set
In the second adjacent moving contact piece（15）Between, and extend to the second adjacent upper static contact（7）Between and adjacent second under
Static contact（8）Between.
9. crowbar switch as claimed in claim 8, it is characterised in that the second described moving contact piece（15）With described second
Upper static contact（7）With the second lower static contact（8）Quantity it is consistent, and position is correspondingly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510231376.8A CN104779104B (en) | 2015-05-08 | 2015-05-08 | A kind of crowbar switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510231376.8A CN104779104B (en) | 2015-05-08 | 2015-05-08 | A kind of crowbar switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104779104A CN104779104A (en) | 2015-07-15 |
| CN104779104B true CN104779104B (en) | 2017-06-20 |
Family
ID=53620520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510231376.8A Active CN104779104B (en) | 2015-05-08 | 2015-05-08 | A kind of crowbar switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104779104B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2618251B1 (en) * | 1987-06-25 | 1989-11-17 | Merlin Gerin | ROTARY SWITCH WITH MIGRATION CURVE TRACK OF AN ARC ROOT. |
| FR2668851B1 (en) * | 1990-11-06 | 1994-10-07 | Merlin Gerin | MULTIPOLAR ROTARY SWITCH. |
| JPH06335125A (en) * | 1993-03-12 | 1994-12-02 | Mitsubishi Electric Corp | Switching device |
| FR2788164B1 (en) * | 1998-12-30 | 2001-02-16 | Schneider Electric Ind Sa | ELECTRICAL SWITCHING APPARATUS WITH A CONTACT MEMBER PROVIDED WITH A SLOT |
| CN101552146A (en) * | 2008-04-03 | 2009-10-07 | 波米尔公司 | Current breaking device for low voltage and high voltage |
| KR101250261B1 (en) * | 2011-12-20 | 2013-04-04 | 엘에스산전 주식회사 | Arc extinguishing apparatus for ring main unit |
-
2015
- 2015-05-08 CN CN201510231376.8A patent/CN104779104B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104779104A (en) | 2015-07-15 |
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